1049947500 has 180 divisors, whose sum is σ = 3562428408. Its totient is φ = 239904000.

The previous prime is 1049947499. The next prime is 1049947501. The reversal of 1049947500 is 57499401.

It is an interprime number because it is at equal distance from previous prime (1049947499) and next prime (1049947501).

It is a super-2 number, since 2×1049947500² = 2204779505512500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049947501) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 366072 + ... + 368928.

Almost surely, 2^1049947500 is an apocalyptic number.

1049947500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049947500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781214204).

1049947500 is an abundant number, since it is smaller than the sum of its proper divisors (2512480908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1049947500 is a wasteful number, since it uses less digits than its factorization.

1049947500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1049947500 is about 32402.8933893256. The cubic root of 1049947500 is about 1016.3794165932.

The spelling of 1049947500 in words is "one billion, forty-nine million, nine hundred forty-seven thousand, five hundred".